Bitcoin Village

1. It is suggested that you do not operate like this. If you really have surplus money, you can conct stock index futures, foreign exchange spot, gold and silver funds

the first point of investment is capital security, and bitcoin does not have the nature of basic currency. It is a kind of network currency. People recognize that it is valuable, and it is not worth money if they do not recognize it. Public opinion orientation and Zhuang become the key to its disk. Compared with other currencies (such as Euro), countries that do not issue it are uncontrollable, and security is even worse
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in China, the regulations on the administration of RMB prohibit the proction and sale of token tickets. Because there is no clear judicial interpretation of the definition of token ticket, if bitcoin is included in the "token ticket", the legal prospect of bitcoin in China will face uncertainty
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the second point is profit calculation. Now 4970 is bought, where do you want to sell? Why is this bitcoin rising? For example, recing QE in the United States (generally speaking, recing the number of US dollars) will increase the value of the US dollar. What are the influencing factors of bitcoin, the normal fluctuation range of exchange rate, and the fluctuation of bitcoin

the third point is not to follow suit. In April last year, China's Auntie made a bottom bargain. According to news reports, Auntie beat Wall Street, and the bottom bargain price was $1500 / oz, while the current price is $1260 / oz. All people go to buy gold. Gold will soar in the short term, but then it will fall sharply. This is the same thing as buying vegetables. Can the whole village go to buy cabbage? More people raise pigs, can pork sell at a good price? The main thing is to look at it. People in the bitcoin world know how to make money. If you do it, you will lose money. If you don't believe it, you will throw tens of thousands. Look back in a year

I suggest the spot, because 40000 yuan can't reach the threshold of futures. As for foreign exchange, it is also affected by the change of the exchange rate between the US dollar and RMB. Spot silver and gold can make money both up and down, and it can be done with a computer and a network cable. The capital is safe, and nothing is reliable when it doesn't fall. If you have the intention of spot silver investment, you can contact me and give me a discount.

2. In order to know what mining is calculating, we must first know the essence of bitcoin and its proction process. Bitcoin is a network-based electronic currency, which is actually a string of codes of the Internet, calculated by algorithms. Mining is the process of completing the algorithm and the only way to proce bitcoin. And because of the algorithm, there are only 21 million bitcoins
1. Mining can not only proce bitcoin, but also guarantee transaction information
similarly, a mathematical system contains 21 million mathematical problems, so we need to constantly seek the special solution of each mathematical problem through a huge amount of calculation. In addition, the special solution is unique
mining can not only increase the supply of bitcoin money, but also protect the security of bitcoin transactions and prevent fraulent transactions. In terms of process, bitcoin network is a point-to-point payment system, and anyone can trade through the transaction program
in order to ensure that the transaction process is truthfully recorded, the role of "miner" is required to be responsible for recording bitcoin transaction information. The time interval is 10 minutes. The best recorded transaction records among miners will be packaged and stored in a new block, and the corresponding miners will also receive a certain amount of bitcoin rewards
2. The mining process is extremely complex, which is beyond human power
the specific process is as follows. When a miner listens to the transaction, he will first verify the transaction information. The verified transactions will be recorded by miners and stored in their own database. There may be thousands of miners in the world doing the same thing, but every ten minutes, only one miner has the right to create a new block, so that the transaction information recorded by himself can be recognized and stored permanently
next, miners need to fight for the right to keep accounts. This is a competition of computing power. The core of this competition is to use computers to complete a large number of calculation tasks and find a super difficult random number. This random number is the special solution of the equation mentioned in the first paragraph. The miner who calculates the correct random number first wins. According to the rules of the game, the probability of a miner getting the accounting right is directly proportional to the proportion of his computing power in the total computing power of the whole network. In other words, the probability of finding the random number is equivalent to throwing out 100 million dice, and the total number of dice is less than 150 million. Therefore, mining requires a large number of computers, installation of specific algorithm software, repeated operation day and night, not human
3. Bitcoin mining is actually "villagers' bookkeeping"
maybe some netizens still don't understand, let's take an example. In a village, the villagers often borrow money from each other, even if they write a written document, there is a risk of default. Then, every time there is a loan behavior in the village, we will use the village trumpet to inform everyone that all the villagers (miners) will record all the transaction records in their own account books.

3. Bitcoin mining units are currently trading in futures, so don't participate.. Bitcoin will make money if it stays above 2000 yuan. The specific profit point is secret

4. The concept of bitcoin was first proposed by Nakamoto on November 1, 2008, and was officially born on January 3, 2009. According to the idea of Nakamoto, the open source software is designed and released, and the P2P network on it is constructed. Bitcoin is a virtual encrypted digital currency in the form of P2P. Point to point transmission means a decentralized payment system. Unlike all currencies, bitcoin does not rely on a specific currency institution to issue. It is generated by a large number of calculations based on a specific algorithm. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design to ensure the security of all aspects of money circulation. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction. The design based on cryptography can make bitcoin only be transferred or paid by the real owner. This also ensures the anonymity of money ownership and circulation transactions. The biggest difference between bitcoin and other virtual currencies is that the total amount of bitcoin is very limited and it has a strong scarcity

warm tips: according to the notice and announcement issued by the people's Bank of China and other departments, virtual currency is not issued by the monetary authority, does not have legal compensation and mandatory monetary attributes, is not a real currency, does not have the same legal status as currency, and cannot and should not be used as currency in the market, Citizens' investment and transaction of virtual currency are not protected by law
the above explanation is for reference only. Before investing, it is recommended that you first understand the risks existing in the project, and clearly understand the investors, investment institutions, chain activity and other information of the project, rather than blindly investing or mistakenly entering the capital market
investors should not use such information to replace their independent judgment or make decisions only based on such information, which does not constitute any investment operation
response time: January 12, 2021. Please refer to the official website of Ping An Bank for the latest business changes
[Ping An Bank I know] want to know more? Come and see "Ping An Bank I know" ~
https://b.pingan.com.cn/paim/iknow/index.html

5.

Coin circle mining refers to that miners use mining machines, consume electricity, calculate algorithm problems (solve the problem of workload proof mechanism with a certain workload to manage bitcoin Network - confirm transactions and prevent double payment), work out standard answers (obtain the right to generate blocks and successfully generate new blocks), And the process of getting a certain amount of monetary reward (bitcoin)

each person (network node) carries out broadcast transactions to the whole village (Network). After these broadcast transactions are verified by the miners (computers on the network), the miners express their confirmation with their own algorithm answers (work proof results), and the confirmed transactions will be packaged into a data block (one page ledger), Data blocks are strung together to form a continuous chain of data blocks (the whole ledger)

when a person (node) finds the algorithm answer matching the requirements, it can broadcast its results to the whole network. Others can receive the new data block and check whether it is qualified

if other people find that they really meet the requirements (the calculation target required by bitcoin) through calculation, then the page ledger (data block) is valid, and other people will accept it, and correspondingly they will get a certain reward

mining capacity

every time a miner successfully records a page of account book, a certain number of new bitcoin will be born to encourage successful bookkeeping

the bitcoin system determines the number of bitcoins issued according to the preset rhythm of Mr. Nakamoto

in addition to mining rewards, miners will also receive handling charges

since miners can decide whether to package a certain transaction data into a data block, miners may give priority to the transaction with higher handling charge

6. Second understand bitcoin Mining:
1. I now have a 100 yuan personal name coin in my hand Bitcoin)
2.. Who cares about the official account? But you need to guess the number of the money in the comments Mining, random filling, numerical solution)
try your best to guess, and you get 100 yuan in full - personal mining
pay money to gather some people to guess together - mining field
gather people you don't know to guess together, and allocate the 100 yuan in proportion through the number of guesses -
the above is a simple example of analogy, of course, You followed and guessed the number of 100 yuan in my pocket, I promise you
so what's going on with bitcoin mining
for commercial reprint, please contact the author for authorization, and for non-commercial reprint, please indicate the source
when Zhang San wants to transfer 1000 yuan to Li Si's B account through a account: ① Zhang San roars: attention, I use a account to transfer 1000 yuan to Li Si's B account. ② The villagers near Zhang San listened to Zhang San's voice and checked whether Zhang San's a account had enough balance. ③ After passing the inspection, the villagers write on their account books: account a transfers 1000 yuan to account B, and modify the balance: account a balance = 3000-1000 = 2000 yuan, account B balance = 2000 + 1000 = 3000 yuan. ④ The villagers near Zhang San told the villagers far away about the transfer, and passed it on until everyone knew about the transfer, so as to ensure the consistency of everyone's account books. Smart if you must have found out, in step 2, if Zhang San roars, and the villagers nearby pretend not to hear him, and do not check the account, then the system will stop working? In order to solve this problem, the village decided after discussion that whoever first confirmed Zhang San's voice would get 500 yuan. So everyone put up their ears and monitored every movement in the village. It's really a matter of grass and trees. Someone in the comment area asked, where did the 500 yuan come from? I would like to give a brief answer here. 1. On average, bitcoin generates a block every 10 minutes. The number of transactions that can be packaged in this block is limited. Let's count it as 800. However, absenteeism will not give you a package deal and broadcast for no reason, so you need to charge a handling fee. Moreover, because there are many people in the transaction, whose transaction to pack first also depends on the level of handling charges. So you can see that bitcoin is hot now, and the handling charges are going up. 2. We all know that the total number of bitcoin is 21 million, and the issuing mechanism is decreasing year by year. If absenteeism is the first one to successfully package this block and broadcast, and it is the longest chain, he will be rewarded. At present, there are only 12.5 bitcoins. It started with 50. It's decayed twice. Of course, there are small problems, such as why the longest chain is needed, how to determine the longest chain, and which chains will be abandoned? If you are interested, let's talk about it further. The above is the reward for absenteeism. Updated on December 8, 2017. In the world of bitcoin, one block is generated about every 10 minutes. All mining computers are trying to package the block and submit it, and the first person who successfully generates the block will get a bitcoin reward. Initially, bitcoin rewards of 50 bitcoins could be generated about every 10 minutes. But the payment is halved every four years, and now the bitcoin network can generate 25 bitcoins every 10 minutes. Well, then the story above tells that Zhang San's roar shocked the whole village, and everyone said that they were the first to hear Zhang San's voice. Who should I give the 500 yuan to? So the village discussed the new regulations, and needed evidence to prove that it was Zhang San's voice. Zhang San's cry contains specific sound data, which will be given to whoever breaks it first. In the bitcoin world, this is a new concept, consensus mechanism. Bitcoin decides the bookkeeping right through the consensus mechanism of workload proof. Generally speaking, the one who proves his workload is the biggest is responsible for bookkeeping. The amount of work is reflected by calculating the hash value of the bitcoin block header that meets a certain standard. The block header usually contains the hash value of the previous block, Merkle root, timestamp, difficulty target, and a filled random value. The node that tries to fight for the bookkeeping right is called mining node. The mining process is to find a random value that can fill the block head of this area, so that the hash value of the block head can meet a certain standard
Author: leaf
link: https://www.hu.com/question/20792042/answer/261310341

7. This article will not deal with the details of algorithms and protocols. I plan to write another article on the principle of bitcoin from the perspective of programmers, where I will explain some key data structures, algorithms and protocols in the bitcoin system from the perspective of technicians
in this article, I will give a virtual village called "bitcoin village". The whole article will tell you the motivation of bitcoin, what problems it has solved, and the goals and design schemes of some key components step by step in the way of storytelling
question
let's start with the motivation of bitcoin< In this world, there is a small village called bitcun, which has hundreds of families. The village is almost isolated from the world and lives on its own. Because there is no large-scale trade, the villagers of Biti village have been living a barter life. That is to say, there is no unified currency among the villagers. The trade between the villagers is basically that Lao Zhang's family exchanges a bag of flour for Lao Li's family's sheep, and Wang's sister-in-law exchanges a basket of wild fruits for Aunt Liu's two feet of cloth. The villagers have been living a simple life<

physical currency
finally one day, the villagers felt it was too inconvenient to barter all the time, so the whole village held a meeting to discuss how to solve this problem. It is suggested that, as a general equivalent, the corresponding relationship between other items and gold should be compiled into a table, such as one gram of gold corresponds to a sheep, one gram of gold corresponds to a bag of flour and so on. At this time, Lao Zhang no longer has to carry a bag of flour and pant to Lao Li's house to exchange sheep. He just needs to get a gram of gold from his home, You can go to Lao Li's house and bring back a sheep. Lao Li can exchange this gram of gold for a bag of flour from anyone who is willing to sell flour. Of course, he can also exchange it for anything equivalent to a gram of gold
at this time, bitcun entered the era of physical currency
symbolic currency
the good times are not long. After a period of time, the disadvantages of physical currency also appear. Because there are not many gold mines near bit village, it takes too much time and effort to mine and smelt gold. With the use of gold, it will be worn, lost or deliberately hoarded. Once again, the whole village sat together and began to discuss countermeasures. At this time, someone said that in fact, we don't have to really use gold. Just find a piece of paper and write "one gram of gold". As long as the whole village agrees that this piece of paper is equal to one gram of gold, the problem will be solved. Others agree, but at the same time, there are new problems: the real gold needs to be mined and smelted, and the gold mine is limited, so mining and smelting also need costs, so no one can make a lot of gold out of thin air in a short time, but writing is different. As long as I have enough paper and pen, I can write as much as I like, then it becomes who has more paper, Maybe ten thousand pieces of paper can be exchanged for a sheep (in fact, there will be inflation in Economics)
I think so. However, at this time, someone proposed a solution: This paper is not effective for everyone. We only know the words written by the respected old village head in the village, and everyone knows the words of the old village head. The old village head wrote some paper and gave everyone the same amount of paper according to the gold stock of each family. For example, when Lao Zhang's family had two hundred grams of gold, the old village head gave Lao Zhang 200 pieces of paper with "one gram of gold" written on it, and took Lao Zhang's gold as collateral. In this way, the old village head collected all the gold in the village into his own home, and gave the equivalent amount of paper with words according to the amount of gold handed in by each family. At this time, the villagers can trade with the paper as gold, and everyone can recognize the words of the old village head, and others can't forge them. In addition, if someone's paper is worn too seriously, he can get it to the old village head to exchange for the new equivalent paper. In addition, the old village head promises that if anyone wants to exchange for gold, he will return the equivalent gold to that person as long as he takes the paper back. Because the amount of gold in the paper written by the old village head is the same as that in the real home, so as long as the principle of destroying as many paper as new paper is strictly followed, every effective paper can always be exchanged for the corresponding real gold
at this time, bitcun entered the era of symbolic currency (paper money). The old village head took on the role of the government and the bank<

virtual currency of the central system
a few years later, the old village head has to check a large number of old banknotes every day, write new banknotes, and record various accounts carefully. One comes and two goes. The old village head is overworked and unfortunately drives to the West
bitcun held another plenary meeting to discuss what to do. At this time, er Gouzi, the son of the old village head, volunteered to take over his father's pen and assume the responsibility of currency issuance. The young village head Er Gouzi was very clever. He did it for a few days and found that he didn't really need to write so much paper. It can be done like this: Villagers hand in all the banknotes and destroy them, but Er Gouzi will record the amount of banknotes handed in by each household. If you want to pay later, for example, if Lao Zhang wants to exchange a gram of gold for Lao Li for a sheep, you should call Er Gouzi together to explain that you want to put a gram of gold in Lao Zhang's name under Lao Li's name. Er Gouzi takes out the account book to see if Lao Zhang has a gram of gold in his name. If so, you can subtract one gram from Lao Zhang's name and add one gram to Lao Li's name. In this way, the payment is completed, At this time, Lao Li heard Er Gouzi confirm that the transfer was completed on the phone, so he could rest assured that Lao Zhang would lead the sheep away
at this time, bitcun entered the era of central system virtual currency. Every villager doesn't need to pay in kind. The payment process becomes the change of the number in the account book maintained by Er Gouzi<

distributed virtual currency
the new two dogs are smart, but sometimes they are smart but they are mistaken for smart. One day, er Gouzi was staring at the account book, thinking that how much money each household in the village has is what I say, then I'm not. So his mind a hot, privately from the old Zhang's account to draw ten grams of gold to his name
I thought it would be perfect, but I didn't expect that Lao Zhang also had the habit of keeping accounts. One day, when he was about to pay, er Gouzi told him that his account was out of money. Lao Zhang checked his account book. It was clear that there were still ten grams left, so he took the account book to find Er Gouzi. This check found the transfer without Lao Zhang's consent
east window incident! Bit village is boiling. The impeachment of Er Gouzi is inevitable, but through this incident, we found that the account book is concentrated in one person's hands:
this system completely depends on the personal credit of the account book holder. If this person does not obey the rules and tampers with the account book at will, then the whole monetary system will collapse
if this family is on fire or the account book is stolen, It will also bring a devastating blow to the whole system.
just when people are at a loss, an otaku scientist named Nakamoto came to the stage and told everyone that he has designed a virtual currency system called bitcoin, which does not rely on any central processor, to solve the above problems. Then he spoke slowly about his plan
let's take a look at how Tsung Nakamoto designed this system<
infrastructure construction
account book disclosure mechanism
Nakamoto first explained that the existing account book should be transformed as follows:
the account book will no longer record the balance of each villager, but only record each transaction. That is to record the payer, payee and payment amount of each transaction. As long as the initial state of the account book is determined, each transaction record is reliable and chronological, how much money each person currently holds can be calculated
the account book is changed from private to public, so that any villager can obtain the current complete account book as long as they need it. The account book records all the transaction records from the creation of the account book to the current
as soon as this remark is made, it will be fried immediately. The first one doesn't matter, but the second one is simply unacceptable, because the account book records all the villagers' transactions, so that everyone's privacy is not completely exposed
Nakamoto is in no hurry and takes out a pair of strange things
identity and signature mechanism (public key encryption system)
Mr. Nakamoto said, don't panic. Under his system, no one trades with his real identity, but with a unique code name
he showed the magic things in his hand and said that these two things were called secret seal and seal scanner respectively. Later, he will give each household in the village a secret seal and a seal scanner. The functions of the two are as follows:
the secret seal can be stamped with a seal on the paper. The seal of each seal implies a unique string of characters in the whole village, but it can't be seen by the naked eye. We can't make the corresponding seal through observation
the seal scanner can scan a sealed seal, read out the hidden information, and display a string of characters on the LCD screen
with these two magical things, you can trade without revealing your real identity, and the string of characters implied in the seal is the code of the family. How to use secret seal and seal scanner to trade will be described in detail below<
establish a virtual miner Organization (Mining Group)
next, Nakamoto Tsung recruits virtual miners for the whole village. The recruitment requirements are as follows:
miners are divided into groups, one group can be a single family, or several families can be combined into a group
becoming a miner does not affect the normal use of currency
miners spend a certain amount of time every day engaged in bitcoin "mining" activities, However, unlike gold mining, virtual miners can complete their work at home without taking tools to do field work.
miners have a certain possibility of getting paid. The more efforts they make in mining activities, the more likely they are to get paid.
miners can quit at any time, or new miners can join in at any time.
soon, About a fifth of the villagers join bitcoin miners and are divided into seven groups
set up the initial account book (Genesis block)
next, Nakamoto announced that according to the account book in ergouzi's hand, all the gold mortgaged will be returned to each villager according to the balance recorded in the account book, and then the account book will be completely destroyed
then, Nakamoto takes out a new account book and records some transaction records on the first page of the account book. In particular, the payer column of these records is "system", while the payee is the hidden character corresponding to each seal, representing the initial time. The system allocates a certain number of bitcoins to each household by default, but the number is very small, only a few, Even some unfortunate villagers didn't get bitcoin
then Mr. Nakamoto said that since there are very few bitcoins on the market, you can go back to the era of using gold as currency. Since I'm not the village head, I don't have the right to force you to recognize bitcoin. You can decide whether to accept bitcoin or not. However, with the flow of bitcoin and the activities of miners, bitcoin will graally increase
payment and transaction

8. That's a sure way to go. Now digital currency is just like the sale of new shares